In a large department store, the owner wishes to see whether the number of shoplifting incidents per day will change if the number of uniformed security officers is doubled. A random sample of 7 days before security is increased and 7 days after the increase shows the number of shoplifting incidents as follow: Day No. of shoplifting incidents Before After Monday Tuesday Wednesday | Thursday Friday Saturday Sunday 7 2 3 3 4 3 5 1 8 12 4 Analyze whether there enough evidence to support the claim, at a =0.05, that there is a difference in the number of shoplifting incidents before and after the increase in security?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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In a large department store, the owner wishes to see whether the number of shoplifting
incidents per day will change if the number of uniformed security officers is doubled. A
random sample of 7 days before security is increased and 7 days after the increase shows
the number of shoplifting incidents as follow:
Day
No. of shoplifting incidents
Before
After
|Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
7
2
3
3
4
3
1
8
12
4
Analyze whether there enough evidence to support the claim, at a = 0.05, that there is a
difference in the number of shoplifting incidents before and after the increase in security?
Transcribed Image Text:In a large department store, the owner wishes to see whether the number of shoplifting incidents per day will change if the number of uniformed security officers is doubled. A random sample of 7 days before security is increased and 7 days after the increase shows the number of shoplifting incidents as follow: Day No. of shoplifting incidents Before After |Monday Tuesday Wednesday Thursday Friday Saturday Sunday 7 2 3 3 4 3 1 8 12 4 Analyze whether there enough evidence to support the claim, at a = 0.05, that there is a difference in the number of shoplifting incidents before and after the increase in security?
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